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Base64 Encoder & Decoder

Convert text to and from Base64 instantly. Handles UTF-8 correctly, runs entirely in your browser, and never sends your data anywhere.

Free · no sign-up Developer

Good to know

Cost. Free and unlimited. No account, no watermark, no export fee.
Your files. This one does its work inside your browser, so whatever you open never leaves your device and never reaches our servers.
Where it lives. Filed under Developer, on the Free Tools page.

Does it handle emojis / accents?

Yes — encoding and decoding are UTF-8 safe.

Is my input uploaded?

No, everything runs locally in your browser.